08-mar-2003 NvE Compiler option /GR introduced for MSVC++ in mklibs.bat to explicitly...
[u/mrichter/AliRoot.git] / RALICE / AliCollider.h
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fdbea0ce 1#ifndef ALICOLLIDER_H
2#define ALICOLLIDER_H
45575004 3/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
fdbea0ce 5
c72198f1 6// $Id: AliCollider.h,v 1.3 2002/12/11 14:45:12 nick Exp $
fdbea0ce 7
fdbea0ce 8#include "TPythia6.h"
fdbea0ce 9#include "TString.h"
10#include "TFile.h"
11#include "TTree.h"
12
13#include "AliEvent.h"
14#include "AliRandom.h"
15
16class AliCollider : public TPythia6
17{
18 public:
19 AliCollider(); // Default constructor
c72198f1 20 virtual ~AliCollider(); // Default destructor
fdbea0ce 21 void SetOutputFile(TString name); // Initialise the ROOT output data file
22 void SetVertexMode(Int_t mode); // Select mode for (sec.) vertex structure creation
23 Int_t GetVertexMode(); // Provide vertex structure creation mode
24 void SetResolution(Double_t res); // Set resolution (in cm) for resolving (sec.) vertices
25 Double_t GetResolution(); // Provide (sec.) vertex resolving resolution (in cm)
26 void SetRunNumber(Int_t run); // Set user defined run number
27 Int_t GetRunNumber(); // Provide the user defined run number
28 void SetPrintFreq(Int_t n); // Set print frequency for every 'n' events
29 Int_t GetPrintFreq(); // Provide the print frequency
30 void Init(char* frame,char* beam,char* target,Float_t win); // Standard Pythia initialisation
31 void Init(char* frame,Int_t zp,Int_t ap,Int_t zt,Int_t at,Float_t win); // Nucl-Nucl initialisation
da17f667 32 void MakeEvent(Int_t npt,Int_t mlist=-1,Int_t medit=1);// Generate a single event with npt participant nucleons
fdbea0ce 33 void EndRun(); // Properly close all buffers and output file
34 AliEvent* GetEvent(); // Provide pointer to the generated event structure
35
36 protected:
37 Int_t fVertexmode; // The vertex structure creation mode
38 Double_t fResolution; // The resolution (in cm) for resolving (sec.) vertices
39 Int_t fRunnum; // The user defined run number
40 Int_t fEventnum; // The automatically updated event number
41 Int_t fPrintfreq; // The user selected print frequency
42 char* fFrame; // The Pythia frame indicator
43 Float_t fWin; // The Pythia energy indicator
44 Int_t fNucl; // Flag to denote nucleus-nucleus (1) or standard Pythia (0) running
45 Int_t fZproj; // Z of the projectile particle
46 Int_t fAproj; // A of the projectile particle
47 Int_t fZtarg; // Z of the target particle
48 Int_t fAtarg; // A of the target particle
49 Float_t fFracpp; // Fraction of p+p collisions
50 Float_t fFracnp; // Fraction of n+p collisions
51 Float_t fFracpn; // Fraction of p+n collisions
52 Float_t fFracnn; // Fraction of n+n collisions
53 AliRandom fRan; // Random number generator
54 AliEvent* fEvent; // The produced event structure
55
56 TFile* fOutFile; // The user defined output data file
57 TTree* fOutTree; // The standard ROOT output tree
58
59 void GetFractions(Float_t zp,Float_t ap,Float_t zt,Float_t at); // Determine various N-N collision fractions
60
c72198f1 61 ClassDef(AliCollider,3) // Pythia based universal physics event generator
fdbea0ce 62};
63#endif